two-hinged steel arch bridge
two-hinged steel arch bridge
双铰钢拱桥
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The main bridge of Dalian Quanshui No. 4 Bridge is a box-section prestressed steel concrete two-hinged flat arch bridge with 88m span and 1/12 rise-to-span ratio.
大连市泉水居住区四号路跨东北路桥主桥是跨度为88米，矢跨比1／12的箱形截面预应力钢筋混凝土双铰坦拱。
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